Is co.jp or Microsoft 365 more popular?

Microsoft 365 is used by more websites in our catalog: 205 use co.jp and 159,483 use Microsoft 365.

Does co.jp or Microsoft 365 have higher-authority sites?

co.jp sites have the higher median Ahrefs Domain Rating (co.jp: 60, Microsoft 365: 34).

Is co.jp or Microsoft 365 growing faster?

Between 2026-06 and 2026-07, co.jp went from 0.03% to 0.02% of all tracked sites, while Microsoft 365 went from 21% to 18%. co.jp is gaining ground faster in our index.

Can a site use both co.jp and Microsoft 365?

No. A site runs a single email host, so co.jp and Microsoft 365 are mutually exclusive.

Where does this co.jp vs Microsoft 365 data come from?

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.

co.jp vs Microsoft 365 — Site Stats Database

co.jp vs Microsoft 365

A side-by-side comparison of two email hosting providers, based on the 736,999 Email Host sites tracked by Site Stats Database.

Last updated July 1, 2026

Metric	co.jp	Microsoft 365
Websites	205	159,483
Market share	0.03%	22%
Share of top 10K sites	0.01%	23%
Share of top 100K sites

Rank	#97	#2

Median DR	60	34

Average DR	59	36

Median keywords	145	1,062

Median referring domains	2,315	469

Median domain age	26 yrs	19 yrs

Average domain age	23 yrs	18 yrs

Average monthly traffic	19,427	124,094

Combined monthly traffic	3,982,522	19,790,892,765

yahoo.co.jp
LanguageJapanese
DR (Ahrefs)93
Total Keywords128,587
Referring Domains376,405
Domain Age6 yrs
Traffic (Jun 2026)1,352,299
Traffic Trend
Technologyco.jp
kinokuniya.com
Language
DR (Ahrefs)74
Total Keywords27,138
Referring Domains14,841
Domain Age31 yrs
Traffic (Jun 2026)676,555
Traffic Trend
Technology
nissan-global.com
LanguageEnglish
DR (Ahrefs)79
Total Keywords15,856
Referring Domains16,759
Domain Age25 yrs
Traffic (Jun 2026)500,792
Traffic Trend
Technology
gran-turismo.com
LanguageEnglish
DR (Ahrefs)73
Total Keywords7,411
Referring Domains15,247
Domain Age26 yrs
Traffic (Jun 2026)233,593
Traffic Trend
Technology
luft.co.jp
LanguageJapanese
DR (Ahrefs)64
Total Keywords14,422
Referring Domains2,475
Domain Age2 yrs
Traffic (Jun 2026)133,990
Traffic Trend
Technology
mlcjapanese.co.jp
LanguageJapanese
DR (Ahrefs)35
Total Keywords4,140
Referring Domains1,126
Domain Age26 yrs
Traffic (Jun 2026)96,861
Traffic Trend
Technology
daiso-sangyo.co.jp
Language
DR (Ahrefs)74
Total Keywords638
Referring Domains6,483
Domain Age26 yrs
Traffic (Jun 2026)93,764
Traffic Trend
Technology
tokyotower.co.jp
Language
DR (Ahrefs)74
Total Keywords1,037
Referring Domains7,686
Domain Age28 yrs
Traffic (Jun 2026)73,535
Traffic Trend
Technology
libertywalk.co.jp
LanguageJapanese
DR (Ahrefs)56
Total Keywords7,875
Referring Domains3,025
Domain Age23 yrs
Traffic (Jun 2026)65,571
Traffic Trend
Technology
yomiuri.co.jp
LanguageJapanese
DR (Ahrefs)89
Total Keywords17,210
Referring Domains110,270
Domain Age31 yrs
Traffic (Jun 2026)52,047
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
yahoo.co.jp	Japanese	93	128,587	376,405	6 yrs	1,352,299		co.jp

espn.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords4,106,588
Referring Domains255,313
Domain Age31 yrs
Traffic (Jun 2026)1,425,283,167
Traffic Trend
TechnologyMicrosoft 365
mlb.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords1,403,577
Referring Domains165,017
Domain Age31 yrs
Traffic (Jun 2026)376,727,145
Traffic Trend
TechnologyMicrosoft 365
adobe.com
LanguageEnglish
DR (Ahrefs)96
Total Keywords4,590,632
Referring Domains1,640,623
Domain Age39 yrs
Traffic (Jun 2026)293,123,914
Traffic Trend
Technology
healthline.com
LanguageEnglish
DR (Ahrefs)92
Total Keywords7,041,614
Referring Domains458,961
Domain Age21 yrs
Traffic (Jun 2026)220,346,497
Traffic Trend
Technology
microsoft.com
LanguageEnglish
DR (Ahrefs)96
Total Keywords3,038,378
Referring Domains2,803,353
Domain Age35 yrs
Traffic (Jun 2026)168,600,293
Traffic Trend
Technology
ca.gov
LanguageEnglish
DR (Ahrefs)93
Total Keywords3,288,410
Referring Domains475,784
Domain Age28 yrs
Traffic (Jun 2026)136,738,647
Traffic Trend
TechnologyMicrosoft 365
lowes.com
LanguageEnglish
DR (Ahrefs)88
Total Keywords4,826,414
Referring Domains158,334
Domain Age31 yrs
Traffic (Jun 2026)135,785,869
Traffic Trend
Technology
carfax.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords1,945,867
Referring Domains47,295
Domain Age28 yrs
Traffic (Jun 2026)125,863,196
Traffic Trend
Technology
akc.org
LanguageEnglish
DR (Ahrefs)90
Total Keywords655,094
Referring Domains78,973
Domain Age31 yrs
Traffic (Jun 2026)125,727,029
Traffic Trend
TechnologyMicrosoft 365
nps.gov
LanguageEnglish
DR (Ahrefs)92
Total Keywords1,563,784
Referring Domains315,622
Domain Age28 yrs
Traffic (Jun 2026)121,452,048
Traffic Trend
TechnologyMicrosoft 365